Function: setEUSD(IeUSD _eUSD)
Allows owner of the contract to change the eUSD token address.
Inputs
_eUSDConstraints:
_eUSD != address(0).Impact: The eUSD tokens that will be minted in exchange for trusted tokens.
Branches and code coverage (including function calls)
Negative behavior
Caller is not an owner.
_eUSDis zero.